摘要
运用复合激发剂活化钢渣制备复合胶凝材料,用正交实验法确定激发剂的最佳配比;研究复合胶凝材料的抗压强度等性能;确定复合激发剂的最优组合,并研究复合激发剂掺入量对材料抗压强度的影响,结果显示复合激发剂最佳质量掺入量为3%;分析材料3 d2、8 d的水化矿物,结果表明,复合激发剂可激发制得净浆3 d抗压强度28 MPa、28 d抗压强度45 MPa的复合胶凝材料;微观分析显示,水化初期矿物以氢氧化钙和钙矾石为主,水化28 d生成大量的C-S-H凝胶,复合水泥强度大幅提高。
Using chemical activator to improve activity of steel slag cement. It is put forward the best ratio of different activators. The compressive strength of 3 d and 28 d of cements was tested. The hydration mineral of different days was analysed. It shows that compound activator can improve activity of cement, and the compressive Strength of 3 d receive 28 MPa. There are many Biocalc and AFt at initial stage. In 28 d, more C-S-H were produced and the strength improved greatly.
出处
《武汉理工大学学报》
CAS
CSCD
北大核心
2009年第4期11-13,21,共4页
Journal of Wuhan University of Technology
基金
国家"十一五"科技支撑计划(2006BAF02A24)
国家自然科学基金(50872043)
关键词
钢渣微粉
复合激发剂
活性
steel slag powder
compound activator
activity
